BACKGROUND: Although pain is a common complication of endoscopic submucosal dissection (ESD), management strategies are inadequate. The aim of this study was to evaluate the efficacy of topical bupivacaine and triamcinolone acetonide for abdominal pain relief and as a potential method of pain control after ESD for gastric neoplasia. METHODS: In this randomized, double-blind, placebo-controlled trial, 111 eligible patients with early gastric neoplasm were randomized into one of three groups: bupivacaine (BV) only, bupivacaine with triamcinolone (BV-TA), or placebo. The present pain intensity (PPI) score and the Short-Form McGill Pain Questionnaire (SF-MPQ) were used to evaluate pain at 0, 6, 12, and 24 h after ESD. RESULTS: The mean values for the 6-hour PPI in the BV-TA and BV groups were lower than those of the placebo group (1.57 ± 1.09 and 1.97 ± 1.09 vs. 2.63 ± 0.98, p < 0.001). The 12-hour PPI of the BV-TA group (1.20 ± 0.83) was the lowest among the three groups (p = 0.001). The total 6-hour SF-MPQ score, especially in the sensory domain, was higher in the placebo group than in BV and BV-TA groups. The 12-hour SF-MPQ score was the lowest in the BV-TA group. Multivariate analysis demonstrated that BV-TA injection protocol, fibrosis, and size of residual ulcer were independently associated with the PPI score at 6 h. CONCLUSION:Bupivacaine after ESD was effective for pain relief at 6 h postoperatively. Particularly, topical infiltration of bupivacaine mixed with triamcinolone acetonide was helpful for producing a more long-lasting benefit of pain relief after gastric ESD.
RCT Entities:
BACKGROUND: Although pain is a common complication of endoscopic submucosal dissection (ESD), management strategies are inadequate. The aim of this study was to evaluate the efficacy of topical bupivacaine and triamcinolone acetonide for abdominal pain relief and as a potential method of pain control after ESD for gastric neoplasia. METHODS: In this randomized, double-blind, placebo-controlled trial, 111 eligible patients with early gastric neoplasm were randomized into one of three groups: bupivacaine (BV) only, bupivacaine with triamcinolone (BV-TA), or placebo. The present pain intensity (PPI) score and the Short-Form McGill Pain Questionnaire (SF-MPQ) were used to evaluate pain at 0, 6, 12, and 24 h after ESD. RESULTS: The mean values for the 6-hour PPI in the BV-TA and BV groups were lower than those of the placebo group (1.57 ± 1.09 and 1.97 ± 1.09 vs. 2.63 ± 0.98, p < 0.001). The 12-hour PPI of the BV-TA group (1.20 ± 0.83) was the lowest among the three groups (p = 0.001). The total 6-hour SF-MPQ score, especially in the sensory domain, was higher in the placebo group than in BV and BV-TA groups. The 12-hour SF-MPQ score was the lowest in the BV-TA group. Multivariate analysis demonstrated that BV-TA injection protocol, fibrosis, and size of residual ulcer were independently associated with the PPI score at 6 h. CONCLUSION:Bupivacaine after ESD was effective for pain relief at 6 h postoperatively. Particularly, topical infiltration of bupivacaine mixed with triamcinolone acetonide was helpful for producing a more long-lasting benefit of pain relief after gastric ESD.
Authors: H Mori; K Rafiq; H Kobara; S Fujihara; N Nishiyama; M Kobayashi; T Himoto; R Haba; M Hagiike; K Izuishi; K Okano; Y Suzuki; T Masaki Journal: Endoscopy Date: 2012-06-13 Impact factor: 10.093
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